Umbrella-shaped regulating valve

The utility model relates to an umbrella-shaped regulating valve which comprises an inlet pipe and an outlet pipe, the inlet pipe is connected with the outlet pipe, a plurality of valve clack units are arranged on the periphery of the connecting position of the inlet pipe and the outlet pipe, each valve clack unit is jointly supported by the inlet pipe and the outlet pipe, and each valve clack unit comprises a valve clack assembly, a worm, a worm gear, a valve shaft and a driven chain wheel. One end of the worm is supported by an outlet pipe, the other end of the worm is connected with a driven chain wheel, the worm wheel is supported by a valve shaft, one end of the worm wheel is connected with a valve clack assembly, and the driven chain wheel of each valve clack unit is connected into an external chain wheel mechanism and is driven by the external chain wheel mechanism to drive the worm and the worm wheel to rotate. All the valve clack assemblies are closed or opened together, and when all the valve clack